226121756501 has 8 divisors (see below), whose sum is σ = 241924917600. Its totient is φ = 210708797040.

The previous prime is 226121756467. The next prime is 226121756507. The reversal of 226121756501 is 105657121622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226121756501 - 2²² = 226117562197 is a prime.

It is a super-2 number, since 2×226121756501² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226121756507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97549211 + ... + 97551528.

It is an arithmetic number, because the mean of its divisors is an integer number (30240614700).

Almost surely, 2^226121756501 is an apocalyptic number.

It is an amenable number.

226121756501 is a deficient number, since it is larger than the sum of its proper divisors (15803161099).

226121756501 is a wasteful number, since it uses less digits than its factorization.

226121756501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195100819.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 226121756501 in words is "two hundred twenty-six billion, one hundred twenty-one million, seven hundred fifty-six thousand, five hundred one".